Yes. There are height requirements specified by the engineers who created these attractions to ensure your safety. The height requirements are as follows: Slides - 48", Body Boarding - 42" & Flowboarding (stand-up) - 52". Life jackets or any sort of flotation device may not be worn or used on the Flowrider or the slides. Parent/guardian permission is required for youth under the age of 18 to participate on the Flowrider in the stand-up position.